if ( ! function_exists( 'kleo_new_excerpt_length' ) ) {
    function kleo_new_excerpt_length($length) {
        return 60;
    }
    add_filter('excerpt_length', 'kleo_new_excerpt_length');
}

if ( ! function_exists( 'kleo_excerpt' ) ) {
    function kleo_excerpt( $limit = 20, $words = true ) {

        $from_content = false;
        $excerpt_initial = get_the_excerpt();

        if( $excerpt_initial == '' ) {
            $excerpt_initial = get_the_content();
            $from_content = true;
        }
        $excerpt_length = apply_filters( 'excerpt_length', $limit );
        $excerpt_initial = preg_replace( '`\[[^\]]*\]`', '', $excerpt_initial );
        $excerpt_initial = strip_tags( $excerpt_initial );
        $excerpt_initial = mb_substr( $excerpt_initial, 0, $excerpt_length );


        /* If we got it from get_the_content -> apply length restriction */
        if ( $from_content ) {
            $excerpt_length = apply_filters( 'excerpt_length', $limit );
            $excerpt_initial = wp_trim_words( $excerpt_initial, $excerpt_length, '' );
        }

        if ( $words ) {
            $excerpt = explode( ' ', $excerpt_initial, $limit );
            if ( count( $excerpt ) >= $limit ) {
                array_pop( $excerpt );
                $excerpt = implode( " ", $excerpt ) . '...';
            } else {
                $excerpt = implode( " ", $excerpt ) . '';
            }
        } else {
            $excerpt = substr( $excerpt_initial, 0, $limit ) . ( strlen( $excerpt_initial ) > $limit ? '...' : '' );
        }

        return '<p>' . $excerpt . '</p>';
    }
}